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Full text not available from this repository.Abstract
Single-spin asymmetries for pions and charged kaons are measured in semi-inclusive deep-inelastic scattering of positrons and electrons off a transversely nuclear-polarized hydrogen target. The dependence of the cross section on the azimuthal angles of the target polarization (phi s) and the produced hadron (phi) is found to have a substantial sin(phi +phi s) modulation for the production of pi(+), pi(-) and K(+). This Fourier component can be interpreted in terms of non-zero transversity distribution functions and non-zero favored and disfavored Collins fragmentation functions with opposite sign. For pi(0) and K(-) production the amplitude of this Fourier component is consistent with zero. (C) 2010 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | HERMES; COLLINS; LEPTOPRODUCTION; DISTRIBUTIONS; ASYMMETRIES; NUCLEON; QUARKS; TARGET; QCD; Semi-inclusive DIS; Single-spin asymmetries; Polarized structure functions; Transversity; Collins function |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 13 Jul 2020 07:16 |
| Last Modified: | 13 Jul 2020 07:16 |
| URI: | https://pred.uni-regensburg.de/id/eprint/24174 |
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